11/14

STA506

Figure 11. THD+N vs Frequency

Figure 12. Output Power vs Vsupply

Figure 13. THD+N vs Output Power

Figure 14. THD+N vs Output Power

Table 10. THD+N vs Output PowerRevision

0.01

1

0.02

0.05

0.1

0.2

0.5

%

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

T

Vcc=32V

Rl=8ohm

0.01

1

0.02

0.05

0.1

0.2

0.5

%

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

T

Vcc=32V

Rl=8ohm

10

80

20

30

40

50

60

70

Po(W)

+14

+36

+16+18

+20

+22

+24+26

+28+30

+32

+34

Vsupply(V)

Rl=8ohm

F=1KHz

THD=1%

THD=10%

10

80

20

30

40

50

60

70

Po(W)

+14

+36

+16+18

+20

+22

+24+26

+28+30

+32

+34

Vsupply(V)

Rl=8ohm

F=1KHz

THD=1%

THD=10%

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

THD(%)

100m

80

200m

500m

1

2

5

10

20

50

Pout(W)

Vcc=34V

Rl=8ohm

F=1KHz

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

THD(%)

100m

80

200m

500m

1

2

5

10

20

50

Pout(W)

Vcc=34V

Rl=8ohm

F=1KHz

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

100m

80

200m

500m

1

2

5

10

20

50

Vcc=36V

Rl=8ohm

F=1KHz

THD(%)

Pout(W)

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

100m

80

200m

500m

1

2

5

10

20

50

Vcc=36V

Rl=8ohm

F=1KHz

THD(%)

Pout(W)

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

100m

80

200m

500m

1

2

5

10

20

50

Pout(W)

THD(%)

Vcc=32V

Rl=8ohm

F=1KHz

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

100m

80

200m

500m

1

2

5

10

20

50

Pout(W)

THD(%)

Vcc=32V

Rl=8ohm

F=1KHz

The following measures are related to the application using STA308A driver